aphnd pahnd ahpnd hapnd phand hpand apnhd panhd anphd naphd pnahd npahd ahnpd hanpd anhpd nahpd hnapd nhapd phnad hpnad pnhad nphad hnpad nhpad aphdn pahdn ahpdn hapdn phadn hpadn apdhn padhn adphn daphn pdahn dpahn ahdpn hadpn adhpn dahpn hdapn dhapn phdan hpdan pdhan dphan hdpan dhpan apndh pandh anpdh napdh pnadh npadh apdnh padnh adpnh dapnh pdanh dpanh andph nadph adnph danph ndaph dnaph pndah npdah pdnah dpnah ndpah dnpah ahndp handp anhdp nahdp hnadp nhadp ahdnp hadnp adhnp dahnp hdanp dhanp andhp nadhp adnhp danhp ndahp dnahp hndap nhdap hdnap dhnap ndhap dnhap phnda hpnda pnhda nphda hnpda nhpda phdna hpdna pdhna dphna hdpna dhpna pndha npdha pdnha dpnha ndpha dnpha hndpa nhdpa hdnpa dhnpa ndhpa dnhpa
Note: these 'words' (valid or invalid) are all the permutations of the word aphnd. These words are obtained by scrambling the letters in aphnd.